Microchip Technology MA160014 数据表
2010-2012 Microchip Technology Inc.
DS41412F-page 445
PIC18(L)F2X/4XK22
TABLE 27-3:
FIXED VOLTAGE REFERENCE (FVR) SPECIFICATIONS
Operating Conditions: -40°C < TA < +125°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ
Max
Units
Comments
VR01
V
ROUT
VR voltage output to ADC
0.973
1.024
1.085
V
1x
output, V
DD
2.5V
1.946
2.048
2.171
V
2x
output, V
DD
2.5V
3.891
4.096
4.342
V
4x
output, V
DD
4.75V
(PIC18F2X/4XK22)
VR02
V
ROUT
VR voltage output all other
modules
modules
0.942
1.024
1.096
V
1x
output, V
DD
2.5V
1.884
2.048
2.191
V
2x
output, V
DD
2.5V
3.768
4.096
4.383
V
4x
output, V
DD
4.75V
(PIC18F2X/4XK22)
VR04*
T
STABLE
Settling Time
—
25
100
s
0 to 125°C
*
These parameters are characterized but not tested.
TABLE 27-4:
CHARGE TIME MEASUREMENT UNIT (CTMU) SPECIFICATIONS
Operating Conditions: 1.8V < VDD < 5.5V, -40°C < TA < +125°C (unless otherwise stated)
Param
No.
Sym
Characteristics
Min
Typ
(1)
Max
Units
Comments
CT01
I
OUT
1
CTMU Current Source,
Base Range
Base Range
—
0.55
—
A
IRNG<1:0>=01
CT02
I
OUT
2
CTMU Current Source,
10X Range
10X Range
—
5.5
—
A
IRNG<1:0>=10
CT03
I
OUT
3
CTMU Current Source,
100X Range
100X Range
—
55
—
A
IRNG<1:0>=11
V
V
DD
3.0V
Note 1:
Nominal value at center point of current trim range (CTMUICON<7:2>=000000).